Due to the android and computer is different operating system ,it is easy to lead data losing on the phone , transferring data between android and computer is need you to sync the phone to computer via a available cable ,Once the sync process is completed , you can directly copy contacts from android to pc , in addition it , the program enable to you move messages to computer,and works for images,app,movie ,music and other data ect,when entire process is overed , remember to save the phone data on the computer for backup ,How to move android SMS to computer ?How to syncing android contacts to computer ?